disk: convert CONFIG_MAC_PARTITION to Kconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
diff --git a/configs/M5253EVBE_defconfig b/configs/M5253EVBE_defconfig
index 4b81ba4..2be75d6 100644
--- a/configs/M5253EVBE_defconfig
+++ b/configs/M5253EVBE_defconfig
@@ -8,3 +8,4 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_MAC_PARTITION=y